C1231

C1231 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1231 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford C1231 Fault Code Meaning :

Ford C1231 Symptoms :

Ford C1231 Reasons :

How To Fix Ford C1231 Trouble Code ?

Which Ford cars have the code C1231?

  • C1231 Ford Aerostar
  • C1231 Ford Bronco
  • C1231 Ford C-Max
  • C1231 Ford C-Max Energi
  • C1231 Ford C-Max Hybrid
  • C1231 Ford Contour
  • C1231 Ford Crown Victoria
  • C1231 Ford EcoSport
  • C1231 Ford Econoline
  • C1231 Ford Edge
  • C1231 Ford Escape
  • C1231 Ford Escape Hybrid
  • C1231 Ford Escort
  • C1231 Ford Everest
  • C1231 Ford Excursion
  • C1231 Ford Expedition
  • C1231 Ford Explorer
  • C1231 Ford Explorer Sport Trac
  • C1231 Ford F-150
  • C1231 Ford F-250
  • C1231 Ford F-350
  • C1231 Ford Fiesta
  • C1231 Ford Flex
  • C1231 Ford Focus
  • C1231 Ford Focus Electric
  • C1231 Ford Freestar
  • C1231 Ford Freestyle
  • C1231 Ford Fusion
  • C1231 Ford Fusion Energi
  • C1231 Ford Fusion Hybrid
  • C1231 Ford Fusion Plug-In Hybrid
  • C1231 Ford GT
  • C1231 Ford Mustang
  • C1231 Ford Mustang Mach-E
  • C1231 Ford Mystique
  • C1231 Ford Probe
  • C1231 Ford Ranger
  • C1231 Ford Taurus
  • C1231 Ford Taurus X
  • C1231 Ford Tempo
  • C1231 Ford Thunderbird
  • C1231 Ford Transit
  • C1231 Ford Transit Connect
  • C1231 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.